Home / 127,970.40-191,442.92-110,627.04

Finding the Fourth Proportional to 127,970.40, 191,442.92 and 110,627.04

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Solution

The fourth proportional to 127,970.40, 191,442.92 and 110,627.04 is: 165,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,970.40 : 191,442.92 = 110,627.04 : x
  2. Step 2: Convert to fraction form
    127,970.40/191,442.92 = 110,627.04/x
  3. Step 3: Cross multiply
    127,970.40x = 191,442.92 × 110,627.04
  4. Step 4: Simplify right side
    127,970.40x = 21,178,763,568.56
  5. Step 5: Solve for x
    x = 21,178,763,568.56/127,970.40
  6. Step 6: Final answer
    x = 165,497.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.